Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Effect of AS-IV on the myocardial pathomorphology in rats with myocardial infarction. H&E staining was performed to observe morphological changes. Green arrows represent collagen fibers and yellow arrows represent fibroblasts. Magnification, ×400; scale bar, 50 µm. AS-IV, astragaloside IV.
